Hammer out those crystals!Krakk! Krakk! Krakk! The rough, tough Granite Grinder is hunting for crystals, and its double-pronged jackhammer is just the tool for the job! Smash apart rocks, load crystals into the trailer, and haul em back to base. Jackhammer really works when vehicle treads roll! * Features heavy-duty rubber treads, removable floodlight, attachable wagon for collecting crystals and removable gas cylinders! * Includes miner and rock monster and accessories! * Combine with #8960 Thunder Driller to create the massive Aero Shredder!